>> that's growth. that's not proficiency. >> the proficiency is if they've reached a like third grade level for reading, et cetera. is that -- >> i'm talking about the debate between proficiency and growth. >> senator franken famously never did get an answer to that question and tomorrow we'll find out if that matters to 50 republican senators. but on saturday night, another classic indicate mckinnon impersonation was born. >> betsy! [cheers and applause ] >> hello. yes, yes, the man? >> yeah. hi. i don't think we ever got a clear answer on this. how do you value growth versus proficiency in measuring progress in students. >> okay. well, yes, i don't know anything about school but i do think there should be a school, probably a jesus school.